Finding the Fourth Proportional to 105,598.61, 145,704.24 and 60,291.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,598.61 : 145,704.24 = 60,291.34 : x
2. Step 2: Convert to fraction form
   105,598.61/145,704.24 = 60,291.34/x
3. Step 3: Cross multiply
   105,598.61x = 145,704.24 × 60,291.34
4. Step 4: Simplify right side
   105,598.61x = 8,784,703,678.59
5. Step 5: Solve for x
   x = 8,784,703,678.59/105,598.61
6. Step 6: Final answer
   x = 83,189.58